Improved Reversibility of Fe3+/Fe4+ Redox Couple in Sodium Super Ion Conductor Type Na3Fe2(PO4)3 for Sodium-Ion Batteries

被引：204

作者：

Rajagopalan, Ranjusha ^{[1
,2
]}

Chen, Bo ^{[1
]}

Zhang, Zhicheng ^{[1
]}

Wu, Xing-Long ^{[1
,3
]}

Du, Yonghua ^{[4
]}

Huang, Ying ^{[1
]}

Li, Bing ^{[5
]}

Zong, Yun ^{[5
]}

Wang, Jie ^{[1
]}

Nam, Gwang-Hyeon ^{[1
]}

Sindoro, Melinda ^{[1
]}

Dou, Shi Xue ^{[2
]}

Liu, Hua Kun ^{[2
]}

Zhang, Hua ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Mat Sci & Engn, Ctr Programmable Mat, 50 Nanyang Ave, Singapore 639798, Singapore

[2] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia

[3] Northeast Normal Univ, Dept Chem, Natl & Local United Engn Lab Power Battery, Changchun 130024, Jilin, Peoples R China

[4] ASTAR, Inst Chem & Engn Sci, 1 Pesek Rd, Singapore 627833, Singapore

[5] ASTAR, IMRE, 2 Fusionopolis Way,Innovis 08-03, Singapore 138634, Singapore

来源：

ADVANCED MATERIALS | 2017年 / 29卷 / 12期

关键词：

LITHIUM-ION; RECHARGEABLE BATTERIES; PEROVSKITE OXIDES; SIDE REACTIONS; NA; ELECTRODE; PHOSPHATE; CAPACITY; CATHODE; DEINTERCALATION;

D O I：

10.1002/adma.201605694

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The methodology employed here utilizes the sodium super ion conductor type sodium iron phosphate wrapped with conducting carbon network to generate a stable Fe3+/Fe4+ redox couple, thereby exhibiting higher operating voltage and energy density of sodium-ion batteries. This new class of sodium iron phosphate wrapped by carbon also displays a cycling stability with >96% capacity retention after 200 cycles.

引用

页数：9

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